1. Bootsect Windows 7 X64
2. Windows 7 Usb Dvd Download Tool Bootsect
3. Bootsect Command Windows 10

Open a command line, either as an administrator from inside Windows, or by booting to a command line using the Windows installation media and pressing Shift+F10, or by booting to Windows PE (WinPE: Create USB Bootable drive). Apr 29, 2016  Learn how to restore, fix, rebuild or repair Master Boot Record or MBR in Windows 10/8/7 using Bootrec.exe tool. Helpful if computer has boot problems.

I installed Ubuntu on a system that has Windows 10 installed. I can boot to Windows or Ubuntu normally using GRUB. I want to delete Ubuntu partition, but first I must restore the Windows 10 MBR.

In Use Bootrec.exe in the Windows RE to troubleshoot startup issues (applies to Windows 7 and Windows Vista) they say to use Bootrec.exe with options /FixMbr/FixBoot, but when I type 'bootrec.exe /FixMbr' in a command prompt, Windows says:

'bootrec.exe' is not recognized as an internal or external command.

I say I can boot to Windows 10 and run a command prompt from there (I don't need to use an installation medium), but I don't know what to enter.

Peter Mortensen

3 Answers

The command in Windows 8/8.1/10 for fixing MBR is 'bootsect.exe'.

this fixes boot record of partition mapped to 'drive_letter:' and the MBR of the disk where the partition is placed.

Alternatively you can use 'Dual-boot Repair Tool' which has a graphical interface to bcdboot.exe, bootsect.exe and other useful functions like boot sector view and .. one click dual-boot repair function for Windows 10/8/7/Vista (also can fix Windows XP boot files).

snayobsnayob

I was having the following issue:

Bootsect Windows 7 X64

I had Ubuntu and Windows 10 and deleted Ubuntu partitions using Windows 10. After a restart I got the Partition not found error and automatically entered GRUB.

Here's how I solved it:

1. I burned a Windows 10 CD, entered troubleshooting, and from there I entered Windows Console.
2. Then I typed in: bootsect /nt60 drive_letter: /mbr (replace drive_letter with your letter. for example, for me it was C: /mbr).
3. And it finally worked.

I hope this also clarifies the solution for people with the same problem as me.

Peter Mortensen

The other answers given here work great on MBR/BIOS systems, however if you're on a UEFI system like I am, bootsect will just write a semi-functional boot MBR over the GPT protective MBR and bootrec just gives an 'Access denied' error message, and neither one has a functional option to fix a broken EFI system partition, which on a UEFI/GPT drive is what contains the bootloader that used to be stored in the MBR. There's unfortunately almost no up-to-date guides on fixing the UEFI Windows Boot Manager (almost all of them just say to run the graphical Startup Repair utility, but that doesn't fix the problem in all cases), but I finally found the correct solution buried in this article, which requires the use of the bcdboot command instead:

1. Grab the Media Creation Tool, make yourself a Windows 10 installation DVD or USB drive, and then boot into it.

2. When prompted, choose 'Repair your computer', followed by 'Troubleshoot', 'Advanced Options', and finally 'Command Prompt'.

3. Run diskpart and then list volume. Note the volume number for your EFI system partition (ESP).

4. Now do select volume x (where x is the volume number for the ESP) and then assign letter=N: to mount the partition. Run list volume again and note that the ESP is now assigned a driver letter. Run exit to leave diskpart.

5. (Optional) If you are not currently dual booting and want to fully clean the ESP before writing a new bootloader, run format N: /FS:FAT32 to reformat it as FAT32. This is probably not necessary under normal circumstances, however, as bcdboot seems to do a good job of cleaning things up itself. Especially do not do this if you have a Linux distro on another partition or else you'll have to reinstall GRUB as well once you're done with this. Also note that the following steps should not affect an EFI GRUB install as long as you do not otherwise delete GRUB's existing directory on the ESP.

6. Finally, write the new bootloader to the partition with bcdboot C:windows /s N: /f UEFI. This command rebuilds a new UEFI-compatible bootloader on the ESP mounted at N: using the Windows installation mounted at C:windows. Once it's done, you can verify the new bootloader was written by running dir N:EFI, where you should see a Microsoft directory containing the new Windows Boot Manager as well as a boot directory containing the fallback bootloader (along with other directories for any other bootloaders you have installed, such as GRUB for Linux).

7. (Optional) If you are dual booting, you will probably need to boot into your Linux distro and run sudo update-grub to allow the GRUB scripts to detect and add the new Windows bootloader. You should also skip the next step and leave GRUB as your first boot choice so you can access both operating systems.

8. Now boot into your BIOS setup and make sure 'Windows Boot Manager' is set as the top boot choice. Save and reboot and you'll finally be back in Windows.

Nathan2055Nathan2055

protected by Community♦Feb 25 '16 at 18:26

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Although you can create a bootable USB to install Windows 10 using a variety of tools, including with Media Creation Tool and Rufus, it’s also possible to use the Diskpart command line tool to create a flash drive to clean install Windows 10 to any computer.

In this guide, you’ll learn the steps to use Command Prompt to create a USB bootable media to install Windows 10.

How to create a USB bootable media to install Windows 10

To create a USB flash drive with the Windows 10 installation files, connect a USB flash drive of at least 4GB of space, download and mount ISO with the installation files, and then use these steps: Photo collage creator free download.

Windows 7 Usb Dvd Download Tool Bootsect

1. Open Start on Windows 10.

2. Search for Command Prompt, right-click the top result and select the Run as Administrator option.

3. Type the following command to open Diskpart and press Enter:

4. Type the following command to determine the USB flash drive and press Enter:

5. Type the following command to select the storage and press Enter:

   Quick tip: The select disk 1 command as an example, but you have to replace 1 with the number of the flash drive you want to use.

6. Type the following commands to delete everything from the USB thumb drive and press Enter:

7. Type the following command to create a primary partition and press Enter:

8. Type the following command to select the new partition and press Enter:

9. Type the following command to make the selected partition active and press Enter:

Type the following command to make USB flash drive bootable and press Enter:

Quick tip: If you’re creating a bootable media for a device that uses UEFI, you’ll need to format the drive using the FAT32 file system, instead of NTFS with this command: format fs=FAT32 quick.

Type the following command to assign a volume and a drive letter for the USB flash drive and press Enter:

In the command, change X for any available letter you want to use.

Type the following command to quit the tool and press Enter:

Type the following command to mount the ISO file and press Enter:

In the command, make sure to update the path with the location where you have stored the ISO file.

Type the following command to launch Diskpart again and press Enter:

Type the following command to determine the drive letter for the mounted ISO file and press Enter:

Type the following command to exit Diskpart and press Enter:

Type the following command to access the Windows 10 ISO file and press Enter:

Type the following command to the boot folder and press Enter:

Type the following command to update the volume boot code for the USB flash drive and press Enter:

Type the following command to copy all the Windows 10 files to the USB flash drive and press Enter:

In the command, change the G and X drive letters with the correct drive letters for the Windows 10 ISO image and the USB flash drive respectively.

Once you complete the steps, you can use the bootable flash drive to install Windows 10 on computers using BIOS or UEFI.

If you’re having issues creating a USB bootable media, you can submit your questions in the Pureinfotech forums.

Update September 9, 2019: This guide was originally published in August 2018, and it’s been updated in September 2019.

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Bootsect Command Windows 10